diff --git a/src/backend/rpc/RpcBackend.c b/src/backend/rpc/RpcBackend.c
index 830687605e..04340f4e17 100644
--- a/src/backend/rpc/RpcBackend.c
+++ b/src/backend/rpc/RpcBackend.c
@@ -364,7 +364,7 @@ rpcend_book_load (Backend *bend)
   ag = gnc_book_get_group (be->book);
   if (!ag)
   {
-    ag = xaccMallocAccountGroup ();
+    ag = xaccMallocAccountGroup (book);
     gnc_book_set_group (be->book, ag);
   }